So I have a guy working on some hardware for me.
He has run into an issue activation the 4X Vpw, wondering if any had some knowledge to help out.
From His latest Email
Some more info I have from him
(I have sent him this document) http://planethax.com/PCMcomms.xls
Is there a way to set the PT in monitor mode and use a Hyperterm type app to monitor data?
I am able to do this with the Elm, but obviously overflows once my Tech2 goings into 4X
He has run into an issue activation the 4X Vpw, wondering if any had some knowledge to help out.
From His latest Email
PLanet
Here is where I am.
Send request to disable normal messaging ---- positive response
Send Request High Speed Mode ------------------- positive response
Send Begin High Speed Mode ------------------------ No response at all
Have not been able to make any more progress. If I send a 4X message to read codes there is no response.
Question - is this the normal sequence to initiate 4X mode?
PLanet
Do you know if the’ Begin High Speed Mode’ has to be sent after the ‘Request High Speed Mode’? I get a positive response to the Request High Speed Mode command but it’s not responding to commands I send at 4X after that.
Thanks
Here is where I am.
Send request to disable normal messaging ---- positive response
Send Request High Speed Mode ------------------- positive response
Send Begin High Speed Mode ------------------------ No response at all
Have not been able to make any more progress. If I send a 4X message to read codes there is no response.
Question - is this the normal sequence to initiate 4X mode?
PLanet
Do you know if the’ Begin High Speed Mode’ has to be sent after the ‘Request High Speed Mode’? I get a positive response to the Request High Speed Mode command but it’s not responding to commands I send at 4X after that.
Thanks
Some more info I have from him
(I have sent him this document) http://planethax.com/PCMcomms.xls
Yes. After sending the Begin High Speed Mode, I wait for a response but it never comes. I have tried sending the Begin High Speed Mode in both 1X and 4X speeds but never see a response message, and I have a scope on the bus in case the software misses the response.
Here are the transmitted messages:
6CFEF12800000 'send request disable normal messaging
6Cfef1A000 'send request for 4X data
6CfeF1A100 'send request start 4X data, sent at 4x rate
Never see response from the last message
6CFEF12800000 'send request disable normal messaging
6Cfef1A000 'send request for 4X data
6CfeF1A100 'send request start 4X data, sent at 4x rate
Never see response from the last message
I am able to do this with the Elm, but obviously overflows once my Tech2 goings into 4X
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